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Recapitalization and Initial Public Offering Recapitalization (Details) - shares |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 27, 2015 | Jun. 30, 2015 | Jun. 30, 2017 | Jun. 30, 2016
Class of Stock [Line Items] |  |  |  |
Common unit, outstanding (in shares) |  |  | 19,198,314.000 | 19,095,797.000
Class B Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock, shares issued |  | 24 | 19 | 23
Class A Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of common stock (shares) | 3,996,255 |  |  |
Common stock, shares issued |  |  | 17,690,874 | 17,937,687
Common Stock [Member] | Class A Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Issuance of common stock (shares) |  | 4,371,000 |  |

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